コワクナイヨ TypeScript - static typing reloaded -

Transcript

1. 
   TUBUJD
   UZQJOH
   SFMPBEFE
    EPKJOFLP
   
   (.0
   1FQBCP
   *OD
   
   'VLVPLB+4 ίϫΫφΠϤ
   5ZQF4DSJQU
2. 5ZQF4DSJQU
   ΍ͬͯ·͔͢ʁ
3. ࠷ۙͷ5ZQF4DSJQUμΠδΣετ w 5ZQF4DSJQU
   
   w ΠϯΫϦϝϯλϧϏϧυͷαϙʔτɺδΣωϦΫεؔ਺ͷߴ֊ܕਪ࿦ɺ3FBEPOMZͷվྑɺ DPOTUͷܕએݴɺHMPCBM5IJTͷܕνΣοΫαϙʔτ
   w5ZQF4DSJQU
   
   w6OJPOܕͷܕਪ࿦ͷվྑɺ૿෼ϑΝΠϧ؂ࢹͷαϙʔτ
   w5ZQF4DSJQU
   
   wTUSJDU#JOE$BMM"QQMZͷ௥Ճɺ#JH*OU
   ͷαϙʔτɺ
 ֎෦ύοέʔδͷ
   UTDPOpHKTPO
   ར༻ͷαϙʔτͳͲ ·ͩ·ͩ͋ΔκΠʁ
4. ࠷ۙͷ+BWB4DSJQUμΠδΣετ wΫϥεߏจͷ
   QSJWBUF
   pFME
   ͕
   $ISPNF
   
   ʹ࣮૷͞Εͨ
   w 5ZQF4DSJQU
   ଆ͸·ͩτϥϯεύΠϧͷ࣮૷Ҋ͸·ͩݕ౼த
   w QSJWBUF
   pFME
   ͷఆٛΛಠࣗͰ͍࣋ͬͯΔͷͰࠓޙ͕ؾʹͳΓ·͢Ͷ
   w SFG
   IUUQTHJUIVCDPN.JDSPTPGU5ZQF4DSJQUJTTVFT
   w/PEFKT
   W
   Ͱ
   NKT
   ͡Όͳͯ͘΋
   &4.PEVMF
   ͱͯ͠ಈ࡞͢ΔΑ͏ʹ
   w QBDLBHFKTPO
   ʹ
   UZQF
   NPEVMF
   Λ௥Ճ͢Δͱ
   &4.PEVMF
   Ͱಈ͘ύοέʔδʹ
   w ʮFYQFSJNFOUBMNPEVMFTʯ͕΍ͬͺΓඞཁ
5. ͓͓͍Α
6. ʮ5ZQF4DSJQUΛ࢝Ί͍͚ͨͲ
   ͪΐͬͱΘ͔Βͳ͍ʜʯ
7. ίϫΫφΠϤ
   5ZQF4DSJQU
8. ΑΖͣ԰ !EPKJOFLP GVLVPLBUT
   ΛΑΖ͘͠Ͷʂ
   
9. ૣ଎Ͱ͕࣌ؒ͢ͷؔ܎্ w5ZQF4DSJQU
   ͷେ·͔ͳઆ໌͸ԼهͷεϥΠυʹҠৡ͠·͢
   w ଟ෼ωλͷେ෦෼͕͔Ϳͬͯͦ͏ɾɾɾ͍΍ͦ͏ʹҧ͍ͳ͍ʂ Ч㱬ŞƄţƃ
   wಋೖ޲͚ͷ಺༰͸ͬͪ͜Λݟͯ͘ΕΔͱخ͍͠ͳ
   ͪΐͬͱݹ͍Ͱ͢
   IUUQTTQFBLFSEFDLDPNEPKJOFLPUZQFTDSJQUSPBEUPTUBUJDUZQJOHPKJTBO
10. ࠓճ࿩͢͜ͱ w Ҡߦʹࡍͯ͠ͷUTDPOpHKTPO
    w UTD
    ͱ
    #BCFM
    w BOZ
    ͱ
    VOLOPXO
    w 54-JOU
    ͱ
    &4-JOU
    w TUSJDU
    USVF
    ΁ͷಓ
11. UTDPOpHKTPO
    ʹԿΛॻ͚͹͍͍ͷʁ w5ZQF4DSJQU
    Λ
    +BWB4DSJQU
    ʹม׵͢Δͱ͖ͷઃఆΛॻ͖·͢
    w/PEFKT༻ɺϒϥ΢β༻ͳͲͷग़ྗ݁Ռͷ੾Γସ͑
    wͲͷϨϕϧ·Ͱͷ&$."4DSJQUͷػೳΛ࢖͏͔
    wࢼݧత࣮૷ %FDPSBUPSͳͲ ͷ༗ޮԽ
    wܕνΣοΫͷϨϕϧ
    wͳͲͳͲ
13. ઃఆ
    େਿ
14. UTDPOpHKTPO
    ͜Ε͚ͩॻ͍ͱ͚͹େৎ෉ w+4͔ΒͷҠߦͷ৔߹͸ɺͱʹ͔͘ΏΔΊʹઃఆ͢Δͷ͕ϛιʂ
    w͍͖ͳΓʮTUSJDU
    USVFʯ͸͓͢͢Ί͠·ͤΜɻ
    w ϩτͷ༐ऀͩͬͯʮ͔ΘͷͨͯʯͰग़ൃ͢ΔΑͶ
    wNPEVMF
    ͸
    FTOFYU
    ͕͓͢͢ΊʮΨϯΨϯ͍͜͏ͥʯ
    w ͔ͤͬ͘΍ΔͳΒ&$."4DSJQUͷ৽͍͠ػೳΛ࢖͍ͬͯ͜͏ʂ ͦͷ΄͏͕ϩϚϯ͕͋Δ
    wUBSHFU
    ઃఆ͸*&͸ແࢹͰ͖ΔͳΒ
    FTɺͩΊͳΒ
    FT
    wҊ݅ʹԠͯ͡
    QPMZpMMJP
    ΍
    CBCFMQPMZpMM
    Λซ༻͠·͠ΐ͏
15. ઃఆྫ
    *&޲͚ͷΏΔʔ͍ઃఆ ग़ྗ݁Ռ͸&4ͷൣғͰ ࢖͏ػೳ͸࠷৽ͷػೳͰ $PNNPO+4
    ͱ
    &4Ϟδϡʔϧͷҧ͍Λ
    ͳΔ΂͘ҙࣝ͠ͳͯ͘ྑ͍Α͏ʹ͢Δ
    #BCFMతͳ΍ͭ 5ZQF4DSJQU
    ͔Β
    +BWB4DSJQU
    ͷ
    *NQPSU
    ΛڐՄ͢Δ ಡΈࠐΉϑΝΠϧΛࢦఆ
    ϏϧυΛ͍ͨ͠ର৅Λ໌ࣔ͢Δ
16. ࠓճ࿩͢͜ͱ w Ҡߦʹࡍͯ͠ͷUTDPOpHKTPO
    w 5ZQF4DSJQU
    ͱ
    #BCFM
    w BOZ
    ͱ
    VOLOPXO
    w 54-JOU
    ͱ
    &4-JOU
    w TUSJDU
    USVF
    ΁ͷಓ
17. #BCFM͞Μͷֵ໋తΞοϓσʔτ w#BCFM͔Β5ZQF4DSJQUͷ
 τϥϯεύΠϧ͕ਖ਼ࣜαϙʔτ
    w#BCFMͰτϥϯεύΠϧ͢Δ৔߹͸
 Ұ෦ͷػೳ͕࢖͑·ͤΜ
    w OBNFTQBDF
    ΍
    +49
    ͷܕΞϊςʔγϣϯɺ&OVNͷએ ݴͷϚʔδɺτϥϯεύΠϧ࣌ͷܕνΣοΫͳͲ
18. UTD
    ͱ
    #BCFM
    ͲͬͪΛ࢖͑͹͍͍ͷʁ
    wUTD
    ͕͓͢͢Ίͳ৔߹
    w ܕνΣοΫΛݫີʹߦ͍͍ͨ৔߹
    w 5ZQF4DSJQU
    ͷػೳΛϑϧʹ׆༻͍͖͍ͯͨ͠৔߹
    w#BCFM
    ͕͓͢͢Ίͳ৔߹
    w ͢Ͱʹ#BCFMͷΧελϚΠζΛߴ౓ʹߦ͍ͬͯΔ৔߹
    w ຊ࣭తʹܕνΣοΫΛඞཁͱ͍ͯ͠ͳ͍৔߹
    w τϥϯεύΠϧ଎౓Λॏࢹ͢Δ৔߹
 ܕνΣοΫ͚ͩ
    UTD
    Λซ༻͢Δύλʔϯ΋༗Γ ಋೖ͢ΔϓϩδΣΫτͷঢ়ଶΛݟͯ
    ͱʹ͔͘ແཧͷͳ͍બ୒Λߦ͍·͠ΐ͏
    #BCFM
    Λഇࢭͯ͠
    UTD
    Λ࢖͏ɺ
    ͋Δ͍͸ͦͷٯ΋ׂͱ؆୯ʹग़དྷ·͢
19. ࠓճ࿩͢͜ͱ w Ҡߦʹࡍͯ͠ͷUTDPOpHKTPO
    w UTD
    ͱ
    #BCFM
    w BOZ
    ͱ
    VOLOPXO
    w 54-JOU
    ͱ
    &4-JOU
    w TUSJDU
    USVF
    ΁ͷಓ
20. VOLOPXOܕͱ͸ w5ZQF4DSJQU
    
    Ͱ௥Ճ͞Εͨ৽ͨͳܕ
    w୅ೖʹ͍ͭͯ͸BOZܕͱಉ͡
    wVOLOPXOܕͷ஋Λ࢖༻͢Δ৔߹͸ܕΞαʔγϣϯ͕ඞཁʹͳΔ
    wBOZܕʹ͢Δ͜ͱͰܕνΣοΫ͕׬શʹΨϥۭ͖ʹͳΔ໰୊Λ
 ղܾ͢ΔͨΊͷखஈͷ̍ͭͱͯ͠࢖͑Δ
    w5ZQF4DJSQU
    Λखݎ͘ӡ༻͢ΔͳΒ࢖͍͖͍ͬͯͨػೳͷ̍ͭ
21. ࢖༻ྫ
    BOZܕͩͬͨΒ ʮଘࡏ͠ͳ͍ؔ਺ʯؔ਺͸࣮ߦ࣌ʹ
 ଘࡏ͠ͳ͍ͷͰ
    VOEFpOFE
    ΍΍͍͜͠ 
 ͚ͩͲ΋ίϯύΠϧ࣌ʹνΣοΫͰ͖ͳ͍
22. ࢖༻ྫ
    VOLOPXOܕʹ͢Δͱ VOLOPXOܕ
    Λͦͷ··࢖͍ͬͯΔՕॴΛ
    ίϯύΠϧ࣌ʹݕ஌Ͱ͖Δ
    ࢖༻࣌ʹ͸ඞͣΞαʔγϣϯ͕ඞཁʂ ݁Ռଘࡏ͠ͳ͍ؔ਺Λݺͼग़͍ͯ͠Δ
    Α͏ͳՕॴΛݕ஌͢Δ͜ͱ͕Ͱ͖Δ
23. ࠓճ࿩͢͜ͱ w Ҡߦʹࡍͯ͠ͷUTDPOpHKTPO
    w UTD
    ͱ
    #BCFM
    w BOZ
    ͱ
    VOLOPXO
    w 54-JOU
    ͱ
    &4-JOU
    w TUSJDU
    USVF
    ΁ͷಓ
24. ͜͜͸େࣄͳͱ͚ͩ͜ w54-JOU
    ͷ࢖༻͸ඇਪ঑ʹͳΓ·ͨ͠
    w ৽نҊ݅͸&4-JOUͰ࢝ΊΔ͜ͱΛ͓͢͢Ί͠·͢
    w&4-JOU
    ͷ
    5ZQF4DSJQU
    αϙʔτ͸·ͩ·ͩ͜Ε͔Β
    w OPqPBUJOHQSPNJTF
    ͷΑ͏ͳ
    5ZQF4DSJQU
    ͷܕ৘ใʹجͮ͘
    -JOUJOH
    ͸׬શʹ͸ҠߦͰ͖ ͳ͍ͷͰ৔߹ʹΑͬͯ͸·༷ͩࢠݟ͍͓͍ͯͨ͠΄͏͕ྑ͍͔΋ʁ
    wͱ͸͍͑&4-JOUʹҠߦ͠ͳ͚Ε͹ͳ͘ͳΔͷ͸࣌ؒͷ໰୊
    w Ջ͕͋Ε͹Ҡߦ͓͖ͯ͠·͠ΐ͏ʂ
    w ୲౰ϓϩδΣΫτͰ͸ͻͱ·ͣҠߦͷ४උ͚ͩࡁ·͍ͤͯ·͕͢
    54-JOU
    ͕·ͩݱ໾Ͱ͢ɻ
25. ࣌ؒ଍ΓͯΔͷ͔ͳʁ w Ҡߦʹࡍͯ͠ͷUTDPOpHKTPO
    w UTD
    ͱ
    #BCFM
    w BOZ
    ͱ
    VOLOPXO
    w 54-JOU
    ͱ
    &4-JOU
    w TUSJDU
    USVF
    ΁ͷಓ
26. ΑΓखݎ͘ӡ༻͍ͯ͘͠ϙΠϯτ wVOLOPXO
    Λ࢖͍ͬͯ͘
    w BOZΛ࢖͏ΑΓɺVOLOPXOΛ࢖͏ͷ͕͓͢͢Ί
    wܕఆٛΛ࢖͏ɺແ͍ఆٛ͸ॻ͘
    w ৽نͷఆٛ΍ɺఆٛͷߋ৽͸13͢ΔͱΈΜͳ΋޾ͤʹͳΕΔ
    wUTDPOpHKTPO
    Ͱ
    TUSJDUUSVF
    Λઃఆ͢Δ
    w ΑΓڧ੍͘໿Λֻ͚ͯӡ༻͢Δ͓ؾ࣋ͪͷද໌
    w ඞͣ͠΋ඞཁͰ͸ͳ͍͕खݎ͘͸ͳΔ TUSJDUUSVF
    Λઃఆ͢Δ
    Ϟνϕʔγϣϯͬͯ
    ͳΜͩΖ͏ʁʁʁ
27. TUSJDU
    USVF
    ͷޮՌͱ͸ʁ w࣮͸खݎ͘ӡ༻͢ΔͨΊͷෳ਺ͷϧʔϧ͕·ͱΊͯద༻͞ΕΔ
    w OP*NQMJDJU"OZ
    ҉໧ͷ
    BOZ
    ͷ࢖༻Λېࢭ͢Δ
    w OP*NQMJDJU5IJT
    UIJTͷܕΛ໌ࣔ͢Δ͜ͱΛཁٻ͢Δ
    w BMXBZT4USJDU
    ग़ྗ݁Ռʹৗʹ
    VTF
    TUSJDU
    Λࢦఆ͢Δ
    w TUSJDU#JOE$BMM"QQMZ
    CJOE
    DBMM
    BQQMZͷܕਪ࿦Λݫີʹߦ͏
    w TUSJDU/VMM$IFDLT
    ݫີͳ
    OVMM
    ͷνΣοΫΛߦ͏
    w TUSJDU'VODUJPO5ZQFT
    ݫີͳؔ਺ͷܕͷνΣοΫΛߦ͏
    w TUSJDU1SPQFSUZ*OJUJBMJ[BUJPO
    ॳظԽ͞Ε͍ͯͳ͍ΫϥεϓϩύςΟΛېࢭ͢Δ όʔδϣϯʹΑͬͯద༻͞ΕΔ
    ϧʔϧ͸एׯҟͳΓ·͢
28. TUSJDU
    USVF
    Λద༻͢Δ͜ͱ͸ྑ͍͜ͱʁ wద༻Ͱ͖ΔͳΒ͓͍ͯͨ͠΄͏͕खݎ͘͸ͳΔ͠ྑ͍͜ͱʂ
    w͔͠͠ඞਢͰ͸ͳ͍͠ɺΰʔϧͰ΋ͳ͍
    wద༻͠ͳ͍͔Βѱ͍ͱ͍͏͜ͱ΋ͳ͍
    wཧղΛಘͳ͕Βɺ௕ظతʹɺແཧͳ͘
 ӡ༻Ͱ͖ΔΑ͏ʹ͍ͯ͘͜͠ͱ͕େࣄ
    wTUSJDU
    USVF
    ʹ͢Δ৔߹͸ݸผͷϧʔϧΛద༻੍͍͖ͯ͠໿Λঃʑʹ ڧΊ͍ͯ͘͜ͱΛ͓͢͢Ί͠·͢
29. TUSJDU
    USVF
    ΁ͷಓ  TUSJDU
    USVF
    ͷࢼݧద༻ͱݱঢ়೺Ѳ
    w໰୊఺Λ೺Ѳ͢ΔͨΊ͚ͩʹҰ࣌తʹద༻
     OP*NQMJDJU"OZ
    Ҏ֎ͷద༻
    w҉໧ͷ
    BOZ
    ࢖༻Օॴ͕ଟʑ͋ͬͨͨΊ
     OP*NQMJDJU"OZ
    ͷద༻
    w͚ͭͯ͸֎͠Λ܁Γฦͯ͠໰୊ՕॴΛۦஞ
     ݸผద༻Λ
    TUSJDU
    USVF
    ΁ஔ͖׵͑ͯ·ͱΊΔ
     Ҏޙ͸
    TUSJDU
    USVF
    Ͱͷӡ༻Λܧଓ
    ݱࡏʹࢸΔ
30. TUSJDU
    USVF
    Λద༻ͨ͜͠ͱʹΑΔޮՌ w੍໿͕ڧԽ͞ΕΔͨΊɺΑΓΤϥʔݕ஌ͷਫ਼౓্͕͕Γ·ͨ͠
    wͨͩ͠ɺ੍໿͕ڧԽ͞Εͨ͜ͱʹΑΓ5ZQF4DSJQU ੩తܕ෇͚ݴޠ ΁ͷʮ͜ͳΕײʯ͕ඞཁʹͳΓ·ͨ͠
    w+BWB4DSJQU
    ͔ΒҠ͖ͬͯͨ͹͔ΓͩͱɺετϨεʹײ͡Δ෦෼͕ग़ ͯ͘Δ͔΋͠Ε·ͤΜ
    ࠓ͸ຆͲͦΜͳ͜ͱແ͍Ͱ͢
    w΋͠΍ΔͳΒʮ͖ΐ͏͍ͤΪϓεʯΛ͚ͭͯ࿅शͯ͠ΔཧղͰྟΈ· ͠ΐ͏
31. ·ͱΊ
32. ·ͱΊ w5ZQF4DSJQU͸ίϫ͘ͳ͍ʂ
    w ΏΔʔ࢝͘Ίͯ΋શવ0,ʂ
    w ͳΜͳΒܕఆ͚ٛͩ࢖ͬͯΤσΟλͰิ׬ͤ͞Δ͚ͩͰ΋0,ʂ
    w#BCFM
    Ͱ΋
    5ZQF4DSJQU
    ͸࢖͑ΔΑ
    wBOZܕΑΓ͸VOLOPXOܕΛ࢖͏ͷ͕͓͢͢Ί
    w54-JOU͸&4-JOUʹஔ͖׵͍͑ͯ͘४උΛ͠·͠ΐ͏
    wTUSJDUUSVF
    ͸ศར͚ͩͲ௧ΈΛ൐͏ͷͰ
 ༻๏༻ྔΛकͬͯਖ਼͓͘͠࢖͍͍ͩ͘͞
33. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠